12020030000 has 200 divisors, whose sum is σ = 33134593536. Its totient is φ = 4180000000.

The previous prime is 12020029961. The next prime is 12020030017. The reversal of 12020030000 is 3002021.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×12020030000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12020030000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2527625 + ... + 2532375.

Almost surely, 2^12020030000 is an apocalyptic number.

12020030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16567296768).

12020030000 is an abundant number, since it is smaller than the sum of its proper divisors (21114563536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020030000 is a wasteful number, since it uses less digits than its factorization.

12020030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 12020030000 its reverse (3002021), we get a palindrome (12023032021).

The spelling of 12020030000 in words is "twelve billion, twenty million, thirty thousand".